diff options
Diffstat (limited to 'drivers/media/video/bt832.c')
-rw-r--r-- | drivers/media/video/bt832.c | 78 |
1 files changed, 38 insertions, 40 deletions
diff --git a/drivers/media/video/bt832.c b/drivers/media/video/bt832.c index 3ca1d768bfd..cc54b62f460 100644 --- a/drivers/media/video/bt832.c +++ b/drivers/media/video/bt832.c @@ -30,8 +30,9 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/slab.h> - #include <media/audiochip.h> +#include <media/v4l2-common.h> + #include "bttv.h" #include "bt832.h" @@ -42,9 +43,10 @@ static unsigned short normal_i2c[] = { I2C_BT832_ALT1>>1, I2C_BT832_ALT2>>1, I2C_CLIENT_END }; I2C_CLIENT_INSMOD; -/* ---------------------------------------------------------------------- */ +int debug; /* debug output */ +module_param(debug, int, 0644); -#define dprintk if (debug) printk +/* ---------------------------------------------------------------------- */ static int bt832_detach(struct i2c_client *client); @@ -61,23 +63,26 @@ int bt832_hexdump(struct i2c_client *i2c_client_s, unsigned char *buf) int i,rc; buf[0]=0x80; // start at register 0 with auto-increment if (1 != (rc = i2c_master_send(i2c_client_s,buf,1))) - printk("bt832: i2c i/o error: rc == %d (should be 1)\n",rc); + v4l_err(i2c_client_s,"i2c i/o error: rc == %d (should be 1)\n",rc); for(i=0;i<65;i++) buf[i]=0; if (65 != (rc=i2c_master_recv(i2c_client_s,buf,65))) - printk("bt832: i2c i/o error: rc == %d (should be 65)\n",rc); + v4l_err(i2c_client_s,"i2c i/o error: rc == %d (should be 65)\n",rc); // Note: On READ the first byte is the current index // (e.g. 0x80, what we just wrote) - if(1) { + if(debug>1) { int i; - printk("BT832 hexdump:\n"); + v4l_dbg(2, debug,i2c_client_s,"hexdump:"); for(i=1;i<65;i++) { if(i!=1) { - if(((i-1)%8)==0) printk(" "); - if(((i-1)%16)==0) printk("\n"); + if(((i-1)%8)==0) printk(" "); + if(((i-1)%16)==0) { + printk("\n"); + v4l_dbg(2, debug,i2c_client_s,"hexdump:"); + } } printk(" %02x",buf[i]); } @@ -96,56 +101,56 @@ int bt832_init(struct i2c_client *i2c_client_s) bt832_hexdump(i2c_client_s,buf); if(buf[0x40] != 0x31) { - printk("bt832: this i2c chip is no bt832 (id=%02x). Detaching.\n",buf[0x40]); + v4l_err(i2c_client_s,"This i2c chip is no bt832 (id=%02x). Detaching.\n",buf[0x40]); kfree(buf); return 0; } - printk("Write 0 tp VPSTATUS\n"); + v4l_err(i2c_client_s,"Write 0 tp VPSTATUS\n"); buf[0]=BT832_VP_STATUS; // Reg.52 buf[1]= 0x00; if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - printk("bt832: i2c i/o error VPS: rc == %d (should be 2)\n",rc); + v4l_err(i2c_client_s,"i2c i/o error VPS: rc == %d (should be 2)\n",rc); bt832_hexdump(i2c_client_s,buf); // Leave low power mode: - printk("Bt832: leave low power mode.\n"); + v4l_err(i2c_client_s,"leave low power mode.\n"); buf[0]=BT832_CAM_SETUP0; //0x39 57 buf[1]=0x08; if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - printk("bt832: i2c i/o error LLPM: rc == %d (should be 2)\n",rc); + v4l_err(i2c_client_s,"i2c i/o error LLPM: rc == %d (should be 2)\n",rc); bt832_hexdump(i2c_client_s,buf); - printk("Write 0 tp VPSTATUS\n"); + v4l_info(i2c_client_s,"Write 0 tp VPSTATUS\n"); buf[0]=BT832_VP_STATUS; // Reg.52 buf[1]= 0x00; if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - printk("bt832: i2c i/o error VPS: rc == %d (should be 2)\n",rc); + v4l_err(i2c_client_s,"i2c i/o error VPS: rc == %d (should be 2)\n",rc); bt832_hexdump(i2c_client_s,buf); // Enable Output - printk("Enable Output\n"); + v4l_info(i2c_client_s,"Enable Output\n"); buf[0]=BT832_VP_CONTROL1; // Reg.40 buf[1]= 0x27 & (~0x01); // Default | !skip if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - printk("bt832: i2c i/o error EO: rc == %d (should be 2)\n",rc); + v4l_err(i2c_client_s,"i2c i/o error EO: rc == %d (should be 2)\n",rc); bt832_hexdump(i2c_client_s,buf); // for testing (even works when no camera attached) - printk("bt832: *** Generate NTSC M Bars *****\n"); + v4l_info(i2c_client_s,"*** Generate NTSC M Bars *****\n"); buf[0]=BT832_VP_TESTCONTROL0; // Reg. 42 buf[1]=3; // Generate NTSC System M bars, Generate Frame timing internally if (2 != (rc = i2c_master_send(i2c_client_s,buf,2))) - printk("bt832: i2c i/o error MBAR: rc == %d (should be 2)\n",rc); + v4l_info(i2c_client_s,"i2c i/o error MBAR: rc == %d (should be 2)\n",rc); - printk("Bt832: Camera Present: %s\n", + v4l_info(i2c_client_s,"Camera Present: %s\n", (buf[1+BT832_CAM_STATUS] & BT832_56_CAMERA_PRESENT) ? "yes":"no"); bt832_hexdump(i2c_client_s,buf); @@ -159,20 +164,18 @@ static int bt832_attach(struct i2c_adapter *adap, int addr, int kind) { struct bt832 *t; - printk("bt832_attach\n"); - client_template.adapter = adap; client_template.addr = addr; - printk("bt832: chip found @ 0x%x\n", addr<<1); - - if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL))) + if (NULL == (t = kzalloc(sizeof(*t), GFP_KERNEL))) return -ENOMEM; - memset(t,0,sizeof(*t)); t->client = client_template; i2c_set_clientdata(&t->client, t); i2c_attach_client(&t->client); + v4l_info(&t->client,"chip found @ 0x%x\n", addr<<1); + + if(! bt832_init(&t->client)) { bt832_detach(&t->client); return -1; @@ -183,13 +186,8 @@ static int bt832_attach(struct i2c_adapter *adap, int addr, int kind) static int bt832_probe(struct i2c_adapter *adap) { -#ifdef I2C_CLASS_TV_ANALOG if (adap->class & I2C_CLASS_TV_ANALOG) return i2c_probe(adap, &addr_data, bt832_attach); -#else - if (adap->id == I2C_HW_B_BT848) - return i2c_probe(adap, &addr_data, bt832_attach); -#endif return 0; } @@ -197,7 +195,7 @@ static int bt832_detach(struct i2c_client *client) { struct bt832 *t = i2c_get_clientdata(client); - printk("bt832: detach.\n"); + v4l_info(&t->client,"dettach\n"); i2c_detach_client(client); kfree(t); return 0; @@ -208,7 +206,8 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct bt832 *t = i2c_get_clientdata(client); - printk("bt832: command %x\n",cmd); + if (debug>1) + v4l_i2c_print_ioctl(&t->client,cmd); switch (cmd) { case BT832_HEXDUMP: { @@ -219,7 +218,7 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) } break; case BT832_REATTACH: - printk("bt832: re-attach\n"); + v4l_info(&t->client,"re-attach\n"); i2c_del_driver(&driver); i2c_add_driver(&driver); break; @@ -230,10 +229,10 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { - .owner = THIS_MODULE, - .name = "i2c bt832 driver", - .id = -1, /* FIXME */ - .flags = I2C_DF_NOTIFY, + .driver = { + .name = "bt832", + }, + .id = 0, /* FIXME */ .attach_adapter = bt832_probe, .detach_client = bt832_detach, .command = bt832_command, @@ -241,7 +240,6 @@ static struct i2c_driver driver = { static struct i2c_client client_template = { .name = "bt832", - .flags = I2C_CLIENT_ALLOW_USE, .driver = &driver, }; |